/* AIBiyou main styles. クラス接頭辞: aib- / 変数接頭辞: --aib- */
:root {
	--aib-pink: #D9A8B8;
	--aib-pink-deep: #A24E69;
	--aib-pink-soft: #F3E4EA;
	--aib-beige: #D9C9B6;
	--aib-sage: #A8B7A0;
	--aib-sage-deep: #55664E;
	--aib-ivory: #F8F4EE;
	--aib-white: #FFFFFF;
	--aib-text: #3A3336;
	--aib-muted: #6A6064;
	--aib-line: #E6DDD0;
	--aib-radius: 14px;
	--aib-font-sans: "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Yu Gothic", Meiryo, sans-serif;
	--aib-font-serif: "Hiragino Mincho ProN", "Yu Mincho", "YuMincho", serif;
	--aib-max: 1120px;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
	margin: 0;
	background: var(--aib-ivory);
	color: var(--aib-text);
	font-family: var(--aib-font-sans);
	font-size: 1.0625rem;
	line-height: 1.9;
	overflow-wrap: anywhere;
}
img { max-width: 100%; height: auto; }
a { color: var(--aib-pink-deep); text-underline-offset: 3px; }
a:hover { text-decoration-thickness: 2px; }
:focus-visible { outline: 3px solid var(--aib-pink-deep); outline-offset: 2px; }

.screen-reader-text {
	position: absolute !important; width: 1px; height: 1px; margin: -1px; padding: 0;
	overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0;
}
.aib-skip { position: absolute; left: -9999px; top: 0; background: var(--aib-white); padding: .6rem 1rem; z-index: 100; }
.aib-skip:focus { left: 0; }

.aib-container { width: 100%; max-width: var(--aib-max); margin: 0 auto; padding: 0 1.25rem; }
.aib-narrow { max-width: 780px; }
.aib-main { min-height: 60vh; padding-bottom: 3rem; }

/* Header */
.aib-header { background: var(--aib-white); border-bottom: 1px solid var(--aib-line); position: relative; z-index: 20; }
.aib-header__inner { display: flex; align-items: center; justify-content: space-between; gap: 1rem; min-height: 68px; }
.aib-brand__name {
	font-family: var(--aib-font-serif); font-size: 1.4rem; font-weight: 700; letter-spacing: .08em;
	color: var(--aib-text); text-decoration: none;
}
.aib-brand img { max-height: 48px; width: auto; }
.aib-nav__list, .aib-nav ul { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: .25rem 1.4rem; }
.aib-nav a { display: block; padding: .6rem 0; color: var(--aib-text); text-decoration: none; font-size: .95rem; font-weight: 500; border-bottom: 2px solid transparent; }
.aib-nav a:hover, .aib-nav .current-menu-item > a, .aib-nav .current-cat > a { border-bottom-color: var(--aib-pink); }
.aib-nav .sub-menu { display: none; }
.aib-nav-toggle { display: none; background: none; border: 1px solid var(--aib-line); border-radius: 8px; width: 44px; height: 44px; cursor: pointer; position: relative; }
.aib-nav-toggle__bar, .aib-nav-toggle__bar::before, .aib-nav-toggle__bar::after {
	content: ""; position: absolute; left: 11px; right: 11px; height: 2px; background: var(--aib-text);
}
.aib-nav-toggle__bar { top: 21px; }
.aib-nav-toggle__bar::before { left: 0; right: 0; top: -7px; }
.aib-nav-toggle__bar::after { left: 0; right: 0; top: 7px; }

/* Hero */
.aib-hero { text-align: center; padding: 3rem 0 2rem; }
.aib-hero__eyebrow { margin: 0; letter-spacing: .3em; font-size: .8rem; color: var(--aib-pink-deep); text-transform: uppercase; }
.aib-hero__title { font-family: var(--aib-font-serif); font-size: clamp(1.8rem, 5vw, 2.6rem); margin: .3rem 0 .6rem; letter-spacing: .06em; line-height: 1.4; }
.aib-hero__lead { max-width: 36rem; margin: 0 auto 1.2rem; color: var(--aib-muted); }
.aib-hero__cats { list-style: none; margin: 1rem 0 0; padding: 0; display: flex; flex-wrap: wrap; gap: .6rem; justify-content: center; }

/* Layout */
.aib-layout { display: grid; grid-template-columns: minmax(0, 1fr); gap: 2.5rem; align-items: start; }
@media (min-width: 960px) { .aib-layout { grid-template-columns: minmax(0, 1fr) 300px; } }
.aib-section { margin: 2rem 0; }
.aib-section-title {
	font-family: var(--aib-font-serif); font-size: 1.4rem; margin: 0 0 1.2rem; padding-bottom: .5rem;
	border-bottom: 2px solid var(--aib-pink); letter-spacing: .05em; line-height: 1.5;
}
.aib-page-head { padding: 1.5rem 0 1rem; }
.aib-page-head__title { font-family: var(--aib-font-serif); font-size: clamp(1.5rem, 4vw, 2rem); margin: 0 0 .5rem; line-height: 1.5; }
.aib-page-head__desc { color: var(--aib-muted); }

/* Grid & Card */
.aib-grid { display: grid; gap: 1.5rem; grid-template-columns: minmax(0, 1fr); }
@media (min-width: 640px) { .aib-grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); } .aib-grid--3 { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (min-width: 960px) { .aib-grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
.aib-card { background: var(--aib-white); border-radius: var(--aib-radius); overflow: hidden; border: 1px solid var(--aib-line); display: flex; flex-direction: column; }
.aib-card__thumb { display: block; aspect-ratio: 16 / 9; background: var(--aib-pink-soft); overflow: hidden; }
.aib-card__thumb img { width: 100%; height: 100%; object-fit: cover; display: block; }
.aib-card__noimg { display: block; width: 100%; height: 100%; background: linear-gradient(135deg, var(--aib-pink-soft), var(--aib-beige)); }
.aib-card__body { padding: 1rem 1.1rem 1.2rem; display: flex; flex-direction: column; gap: .4rem; flex: 1; }
.aib-card__title { margin: 0; font-size: 1.05rem; line-height: 1.6; font-weight: 700; }
.aib-card__title a { color: var(--aib-text); text-decoration: none; }
.aib-card__title a:hover { color: var(--aib-pink-deep); text-decoration: underline; }
.aib-card__excerpt { margin: 0; font-size: .9rem; line-height: 1.7; color: var(--aib-muted); display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.aib-card__meta { margin: auto 0 0; font-size: .8rem; color: var(--aib-muted); }
.aib-date + .aib-date { margin-left: .6rem; }

.aib-chip {
	display: inline-block; align-self: flex-start; padding: .1rem .75rem; font-size: .78rem; line-height: 1.8;
	background: var(--aib-pink-soft); color: var(--aib-pink-deep); border-radius: 999px; text-decoration: none; font-weight: 600;
}
.aib-chip--lg { font-size: .9rem; padding: .3rem 1.1rem; background: var(--aib-white); border: 1px solid var(--aib-pink); }
.aib-chip:hover { background: var(--aib-pink); color: var(--aib-text); }

/* Breadcrumb */
.aib-breadcrumb { padding: 1rem 0 0; font-size: .82rem; color: var(--aib-muted); }
.aib-breadcrumb ol { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: .2rem; }
.aib-breadcrumb li + li::before { content: "›"; margin: 0 .5rem; }
.aib-breadcrumb a { color: var(--aib-muted); }

/* Article */
.aib-article { background: var(--aib-white); border-radius: var(--aib-radius); padding: 1.5rem 1.25rem; margin: 1rem 0 2rem; border: 1px solid var(--aib-line); }
@media (min-width: 720px) { .aib-article { padding: 2.5rem 3rem; } }
.aib-article__title { font-family: var(--aib-font-serif); font-size: clamp(1.45rem, 4.5vw, 2rem); line-height: 1.55; margin: .6rem 0; }
.aib-article__meta { color: var(--aib-muted); font-size: .85rem; margin: 0 0 1rem; }
.aib-article__thumb { margin: 0 0 1.5rem; }
.aib-article__thumb img { border-radius: var(--aib-radius); width: 100%; }

.aib-content { font-size: 1.0625rem; line-height: 2; }
.aib-content > * { margin-top: 0; margin-bottom: 1.5rem; }
.aib-content h2 {
	font-family: var(--aib-font-serif); font-size: 1.45rem; line-height: 1.6; margin: 3rem 0 1.2rem;
	padding: .6rem 0 .6rem 1rem; border-left: 5px solid var(--aib-pink); background: var(--aib-ivory);
}
.aib-content h3 { font-family: var(--aib-font-serif); font-size: 1.2rem; margin: 2.2rem 0 1rem; padding-bottom: .3rem; border-bottom: 1px dashed var(--aib-beige); }
.aib-content h4 { font-size: 1.05rem; margin: 1.8rem 0 .8rem; color: var(--aib-sage-deep); }
.aib-content ul, .aib-content ol { padding-left: 1.5rem; }
.aib-content li { margin-bottom: .4rem; }
.aib-content blockquote { margin-left: 0; padding: 1rem 1.2rem; background: var(--aib-ivory); border-left: 4px solid var(--aib-sage); }
.aib-content table { width: 100%; border-collapse: collapse; font-size: .95rem; }
.aib-content th, .aib-content td { border: 1px solid var(--aib-line); padding: .6rem .8rem; vertical-align: top; }
.aib-content th { background: var(--aib-pink-soft); }
.aib-content figure { margin-left: 0; margin-right: 0; }
.aib-content .wp-block-table, .aib-content .aib-table-wrap { overflow-x: auto; }
.aib-tags a { margin-right: .6rem; font-size: .85rem; }

/* PR / Product / Ad */
.aib-pr { font-size: .85rem; color: var(--aib-muted); background: var(--aib-ivory); border-radius: 8px; padding: .6rem .9rem; margin: 0 0 1.5rem; }
.aib-pr__badge { display: inline-block; background: var(--aib-text); color: var(--aib-white); font-size: .7rem; padding: 0 .5rem; border-radius: 4px; margin-right: .4rem; }
.aib-product { display: flex; flex-direction: column; gap: 1rem; border: 1px solid var(--aib-beige); border-radius: var(--aib-radius); padding: 1rem; background: var(--aib-ivory); margin: 1.5rem 0; }
@media (min-width: 560px) { .aib-product { flex-direction: row; align-items: flex-start; } }
.aib-product__img { flex: 0 0 160px; }
.aib-product__img img { border-radius: 10px; display: block; background: var(--aib-white); }
.aib-product__brand { margin: 0; font-size: .8rem; color: var(--aib-muted); }
.aib-product__name { margin: 0 0 .5rem; font-weight: 700; font-size: 1.05rem; line-height: 1.6; }
.aib-product__meta { margin: 0 0 .8rem; font-size: .9rem; line-height: 1.7; }
.aib-product__meta div { display: flex; gap: .6rem; }
.aib-product__meta dt { flex: 0 0 6.5em; color: var(--aib-muted); }
.aib-product__meta dd { margin: 0; }
.aib-product__checked { font-size: .8rem; color: var(--aib-muted); }
.aib-ad { margin: 2rem 0; text-align: center; min-height: 280px; }
.aib-ad__label { display: block; font-size: .72rem; color: var(--aib-muted); text-align: left; margin-bottom: .3rem; }

.aib-btn {
	display: inline-block; background: var(--aib-pink-deep); color: var(--aib-white); border: 0; border-radius: 999px;
	padding: .65rem 1.6rem; font-size: .95rem; font-weight: 700; text-decoration: none; cursor: pointer; line-height: 1.5;
}
.aib-btn:hover { background: #8A3F56; color: var(--aib-white); }
.aib-btn--small { padding: .5rem 1.1rem; font-size: .9rem; }

/* Sidebar & Widgets */
.aib-widget { background: var(--aib-white); border: 1px solid var(--aib-line); border-radius: var(--aib-radius); padding: 1.2rem; margin-bottom: 1.5rem; font-size: .95rem; line-height: 1.7; }
.aib-widget__title { font-family: var(--aib-font-serif); font-size: 1.05rem; margin: 0 0 .8rem; padding-bottom: .4rem; border-bottom: 2px solid var(--aib-pink); }
.aib-widget ul { list-style: none; margin: 0; padding: 0; }
.aib-widget li { padding: .45rem 0; border-bottom: 1px dotted var(--aib-line); }
.aib-widget li:last-child { border-bottom: 0; }
.aib-widget a { color: var(--aib-text); text-decoration: none; }
.aib-widget a:hover { color: var(--aib-pink-deep); text-decoration: underline; }
.aib-search { display: flex; gap: .5rem; }
.aib-search__field { flex: 1; min-width: 0; padding: .6rem .8rem; border: 1px solid var(--aib-beige); border-radius: 999px; font-size: 1rem; background: var(--aib-white); color: var(--aib-text); }

/* Pagination */
.navigation.pagination { margin: 2rem 0; }
.nav-links { display: flex; flex-wrap: wrap; gap: .5rem; justify-content: center; }
.page-numbers { min-width: 44px; min-height: 44px; display: inline-flex; align-items: center; justify-content: center; padding: 0 .9rem; border-radius: 999px; background: var(--aib-white); border: 1px solid var(--aib-line); color: var(--aib-text); text-decoration: none; }
.page-numbers.current { background: var(--aib-pink-deep); border-color: var(--aib-pink-deep); color: var(--aib-white); }
a.page-numbers:hover { border-color: var(--aib-pink-deep); }

/* Comments */
.aib-comments { background: var(--aib-white); border: 1px solid var(--aib-line); border-radius: var(--aib-radius); padding: 1.5rem; margin-bottom: 2rem; }
.aib-comments__list { padding-left: 1rem; }
.comment-form label { display: block; font-size: .9rem; margin-bottom: .2rem; }
.comment-form input[type="text"], .comment-form input[type="email"], .comment-form input[type="url"], .comment-form textarea { width: 100%; padding: .6rem .8rem; border: 1px solid var(--aib-beige); border-radius: 8px; font: inherit; }
.comment-form .submit { background: var(--aib-pink-deep); color: var(--aib-white); border: 0; border-radius: 999px; padding: .65rem 1.6rem; font: inherit; font-weight: 700; cursor: pointer; }

/* Footer */
.aib-footer { background: var(--aib-white); border-top: 1px solid var(--aib-line); padding: 2rem 0; text-align: center; font-size: .85rem; color: var(--aib-muted); }
.aib-footer__list { list-style: none; padding: 0; margin: 0 0 1rem; display: flex; flex-wrap: wrap; gap: .5rem 1.4rem; justify-content: center; }
.aib-footer a { color: var(--aib-muted); }
.aib-footer p { margin: .3rem 0; }

/* Mobile nav */
@media (max-width: 859px) {
	.aib-nav-toggle { display: block; }
	.aib-nav { display: none; position: absolute; top: 100%; left: 0; right: 0; background: var(--aib-white); border-bottom: 1px solid var(--aib-line); padding: .5rem 1.25rem 1rem; }
	.aib-nav.is-open { display: block; }
	.aib-nav__list, .aib-nav ul { flex-direction: column; gap: 0; }
	.aib-nav a { padding: .8rem 0; border-bottom: 1px solid var(--aib-line); }
}

@media (prefers-reduced-motion: reduce) {
	* { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
}